This is the 8524th most frequent Chinese word.
sinclair
The word "Sinclair" is not a Chinese word; it is typically an English surname or name.
In this sentence, '辛克莱' is used as a proper noun, referring to a person's name.
辛克莱是一位著名的小说家。
Sinclair is a renowned novelist.
In this example, '辛克莱' represents an individual used in a conversational context.
我昨天和辛克莱讨论了那个项目的细节。
Yesterday, I discussed the project details with Sinclair.
Here, '辛克莱' refers to the name of an organization or company.